MOT changes reveal how many ‘dangerous’ cars are on Britain’s roads

MOT changes

Changes to Britain’s MOT test prove an alarming number of cars are on our roads in a potentially lethal state. Official figures show that nearly a third (32 per cent) of MOT failures were due to a dangerous defect.

In numbers, that’s 1.13m cars categorised as ‘dangerous’ after failing their MOT between the introduction of the revised test in May 2018 and the end of the year. This means the car is considered an immediate risk to road safety. The owner is then banned from driving the car until it’s been made road legal again.

However, the Government’s Driver and Vehicle Standards Agency (DVSA) says more than half of MOT failures are preventable. Drivers, it says, could avoid the money and aggravation that an MOT failure can cause by conducting simple maintenance.

What are the MOT changes?

The frequency of the annual roadworthiness checks for cars that are more than three years old hasn’t changed. However, the way faults on cars are classified has altered. Now faults are classed as dangerous, major and minor. Dangerous and major faults cause an MOT failure. A car can pass with minor faults, on the understanding that the driver has them dealt with swiftly. Advisories are issued for faults that need monitoring as they will become more serious in the future.

What if a car is categorised as dangerous?

Bald tyres would be classified as a dangerous fault (Picture iStock/JuliaSV)

The most serious fail now is called ‘dangerous’. According to the DVSA: “This is when a car has a direct and immediate risk to road safety or has a serious impact on the environment.” Any documentation a driver gets after failing for a dangerous defect will make it clear the vehicle shouldn’t be driven until it’s been repaired. These faults might be a tyre that’s worn down so much the metal bands inside are exposed or when the steering is affected by corrosion, damaged wiring or leaking pipework.

What is a major fault?

Problems with the braking system could be either a ‘dangerous’ or ‘major’ failure point (Picture iStock/Kadmy)

The DVSA says: “This may affect the vehicle’s safety, put other road users at risk or have an impact on the environment. It should be repaired immediately.” If your existing MOT has yet to run out, you could still drive the car. But it is recommended it’s fixed immediately. This might be a tyre that’s down to the 1.6mm legal limit or where a power steering reservoir is empty.

What is a minor fault?

This is when the car has a defect but it doesn’t affect vehicle safety or the environment. In the case of the steering example, it would be where the power steering reservoir is half empty.

How did the MOT test used to work?

Previously, cars either passed or failed. You could pass but have what were known as advisories which were problems that could turn into failures such as worn or damaged components. Despite the changes, this category still exists.

What are the most common reasons for MOT failures?

Nearly one in five cars (18.4 per cent) have faults related to lighting and signalling. One in 10 cars fail because of tyre trouble. Eight and a half per cent of faults are triggered through what’s known as ‘driver’s view of the road’. This is where mirrors are cracked or missing, wiper blades damaged, washer bottles empty or windscreens damaged in the crucial ‘swept’ area. A further one in 10 failures are because the car is suffering brake trouble.

See how to conduct a pre-MOT test on your car. It could save you time and money.

One comment on “MOT changes reveal how many ‘dangerous’ cars are on Britain’s roads

  1. Phil January 17, 2019 10:20 am

    I strongly Recommend Regular servicing by a reputable Garage. There are a lot of cowboys out there offering to cut your serving bills. When in fact they will cost you more in the long run. (Take part worn tyres) If they have been taken off a car in the first place there must be a good reason. Always look for recommendations and reviews

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